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Previous Issue: New Series, Vol. 51, No. 1323, May 7, 1920
Next Issue: New Series, Vol. 51, No. 1325, May 21, 1920
Front Matter (1 p.)
The American Association for the Advancement of Science
- The Stimulation of Research after the War, pp. 473-478
- R. A. Harper
James M. Macoun, pp. 478-480
- Harlan I. Smith
Scientific Events
- The Anglo-American University Library for Central Europe, pp. 480-481
- Publications for European Nations, p. 481
- Tables of the Motion of the Moon, pp. 481-482
- The Director of the Bureau of Mines, pp. 482-483
Scientific Notes and News, pp. 483-484
University and Educational News, pp. 484-485
Discussion and Correspondence
- The Aurora of March 22, 1920, pp. 485-486
- Joel Stebbins
- The Recent Auroras and Sun Spots, p. 486
- E. D. Roe
- Possible Connection between Sunspots and Earthquakes, pp. 486-487
- Dinsmore Alter
- Some Micro-Plankton from Salton Sea, p. 487
- W. E. Allen
- Conditions in Hungary, pp. 487-488
- Jas. Lewis Howe
- Journals for Prague, p. 488
- Frederick S. Hammett
Notes on Meteorology, pp. 488-489
- Charles F. Brooks
Special Articles
- The Siphon in Text-Books, pp. 489-491
- Harold C. Barker
The American Association for the Advancement of Science
- Section E--Geology and Geography, pp. 491-495
- Rollin T. Chamberlin
The American Geophysical Union, p. 495
- Harry O. Wood
The National Academy of Sciences, pp. 495-496
Back Matter (1 p.)
Previous Issue: New Series, Vol. 51, No. 1323, May 7, 1920
Next Issue: New Series, Vol. 51, No. 1325, May 21, 1920